diff options
Diffstat (limited to 'drivers/mfd/ab5500-debugfs.c')
| -rw-r--r-- | drivers/mfd/ab5500-debugfs.c | 807 |
1 files changed, 0 insertions, 807 deletions
diff --git a/drivers/mfd/ab5500-debugfs.c b/drivers/mfd/ab5500-debugfs.c deleted file mode 100644 index 72006940937a..000000000000 --- a/drivers/mfd/ab5500-debugfs.c +++ /dev/null @@ -1,807 +0,0 @@ -/* - * Copyright (C) 2011 ST-Ericsson - * License terms: GNU General Public License (GPL) version 2 - * Debugfs support for the AB5500 MFD driver - */ - -#include <linux/module.h> -#include <linux/debugfs.h> -#include <linux/seq_file.h> -#include <linux/mfd/abx500.h> -#include <linux/mfd/abx500/ab5500.h> -#include <linux/uaccess.h> - -#include "ab5500-core.h" -#include "ab5500-debugfs.h" - -static struct ab5500_i2c_ranges ab5500_reg_ranges[AB5500_NUM_BANKS] = { - [AB5500_BANK_LED] = { - .bankid = AB5500_BANK_LED, - .nranges = 1, - .range = (struct ab5500_reg_range[]) { - { - .first = 0x00, - .last = 0x0C, - .perm = AB5500_PERM_RW, - }, - }, - }, - [AB5500_BANK_ADC] = { - .bankid = AB5500_BANK_ADC, - .nranges = 6, - .range = (struct ab5500_reg_range[]) { - { - .first = 0x1F, - .last = 0x22, - .perm = AB5500_PERM_RO, - }, - { - .first = 0x23, - .last = 0x24, - .perm = AB5500_PERM_RW, - }, - { - .first = 0x26, - .last = 0x2D, - .perm = AB5500_PERM_RO, - }, - { - .first = 0x2F, - .last = 0x34, - .perm = AB5500_PERM_RW, - }, - { - .first = 0x37, - .last = 0x57, - .perm = AB5500_PERM_RW, - }, - { - .first = 0x58, - .last = 0x58, - .perm = AB5500_PERM_RO, - }, - }, - }, - [AB5500_BANK_RTC] = { - .bankid = AB5500_BANK_RTC, - .nranges = 2, - .range = (struct ab5500_reg_range[]) { - { - .first = 0x00, - .last = 0x04, - .perm = AB5500_PERM_RW, - }, - { - .first = 0x06, - .last = 0x0C, - .perm = AB5500_PERM_RW, - }, - }, - }, - [AB5500_BANK_STARTUP] = { - .bankid = AB5500_BANK_STARTUP, - .nranges = 12, - .range = (struct ab5500_reg_range[]) { - { - .first = 0x00, - .last = 0x01, - .perm = AB5500_PERM_RW, - }, - { - .first = 0x1F, - .last = 0x1F, - .perm = AB5500_PERM_RW, - }, - { - .first = 0x2E, - .last = 0x2E, - .perm = AB5500_PERM_RO, - }, - { - .first = 0x2F, - .last = 0x30, - .perm = AB5500_PERM_RW, - }, - { - .first = 0x50, - .last = 0x51, - .perm = AB5500_PERM_RW, - }, - { - .first = 0x60, - .last = 0x61, - .perm = AB5500_PERM_RW, - }, - { - .first = 0x66, - .last = 0x8A, - .perm = AB5500_PERM_RW, - }, - { - .first = 0x8C, - .last = 0x96, - .perm = AB5500_PERM_RW, - }, - { - .first = 0xAA, - .last = 0xB4, - .perm = AB5500_PERM_RW, - }, - { - .first = 0xB7, - .last = 0xBF, - .perm = AB5500_PERM_RW, - }, - { - .first = 0xC1, - .last = 0xCA, - .perm = AB5500_PERM_RW, - }, - { - .first = 0xD3, - .last = 0xE0, - .perm = AB5500_PERM_RW, - }, - }, - }, - [AB5500_BANK_DBI_ECI] = { - .bankid = AB5500_BANK_DBI_ECI, - .nranges = 3, - .range = (struct ab5500_reg_range[]) { - { - .first = 0x00, - .last = 0x07, - .perm = AB5500_PERM_RW, - }, - { - .first = 0x10, - .last = 0x10, - .perm = AB5500_PERM_RW, - }, - { - .first = 0x13, - .last = 0x13, - .perm = AB5500_PERM_RW, - }, - }, - }, - [AB5500_BANK_CHG] = { - .bankid = AB5500_BANK_CHG, - .nranges = 2, - .range = (struct ab5500_reg_range[]) { - { - .first = 0x11, - .last = 0x11, - .perm = AB5500_PERM_RO, - }, - { - .first = 0x12, - .last = 0x1B, - .perm = AB5500_PERM_RW, - }, - }, - }, - [AB5500_BANK_FG_BATTCOM_ACC] = { - .bankid = AB5500_BANK_FG_BATTCOM_ACC, - .nranges = 2, - .range = (struct ab5500_reg_range[]) { - { - .first = 0x00, - .last = 0x0B, - .perm = AB5500_PERM_RO, - }, - { - .first = 0x0C, - .last = 0x10, - .perm = AB5500_PERM_RW, - }, - }, - }, - [AB5500_BANK_USB] = { - .bankid = AB5500_BANK_USB, - .nranges = 12, - .range = (struct ab5500_reg_range[]) { - { - .first = 0x01, - .last = 0x01, - .perm = AB5500_PERM_RW, - }, - { - .first = 0x80, - .last = 0x83, - .perm = AB5500_PERM_RW, - }, - { - .first = 0x87, - .last = 0x8A, - .perm = AB5500_PERM_RW, - }, - { - .first = 0x8B, - .last = 0x8B, - .perm = AB5500_PERM_RO, - }, - { - .first = 0x91, - .last = 0x92, - .perm = AB5500_PERM_RO, - }, - { - .first = 0x93, - .last = 0x93, - .perm = AB5500_PERM_RW, - }, - { - .first = 0x94, - .last = 0x94, - .perm = AB5500_PERM_RO, - }, - { - .first = 0xA8, - .last = 0xB0, - .perm = AB5500_PERM_RO, - }, - { - .first = 0xB2, - .last = 0xB2, - .perm = AB5500_PERM_RO, - }, - { - .first = 0xB4, - .last = 0xBC, - .perm = AB5500_PERM_RO, - }, - { - .first = 0xBF, - .last = 0xBF, - .perm = AB5500_PERM_RO, - }, - { - .first = 0xC1, - .last = 0xC5, - .perm = AB5500_PERM_RO, - }, - }, - }, - [AB5500_BANK_IT] = { - .bankid = AB5500_BANK_IT, - .nranges = 4, - .range = (struct ab5500_reg_range[]) { - { - .first = 0x00, - .last = 0x02, - .perm = AB5500_PERM_RO, - }, - { - .first = 0x20, - .last = 0x36, - .perm = AB5500_PERM_RO, - }, - { - .first = 0x40, - .last = 0x56, - .perm = AB5500_PERM_RO, - }, - { - .first = 0x60, - .last = 0x76, - .perm = AB5500_PERM_RO, - }, - }, - }, - [AB5500_BANK_VDDDIG_IO_I2C_CLK_TST] = { - .bankid = AB5500_BANK_VDDDIG_IO_I2C_CLK_TST, - .nranges = 7, - .range = (struct ab5500_reg_range[]) { - { - .first = 0x02, - .last = 0x02, - .perm = AB5500_PERM_RW, - }, - { - .first = 0x12, - .last = 0x12, - .perm = AB5500_PERM_RW, - }, - { - .first = 0x30, - .last = 0x34, - .perm = AB5500_PERM_RW, - }, - { - .first = 0x40, - .last = 0x44, - .perm = AB5500_PERM_RW, - }, - { - .first = 0x50, - .last = 0x54, - .perm = AB5500_PERM_RW, - }, - { - .first = 0x60, - .last = 0x64, - .perm = AB5500_PERM_RW, - }, - { - .first = 0x70, - .last = 0x74, - .perm = AB5500_PERM_RW, - }, - }, - }, - [AB5500_BANK_VIT_IO_I2C_CLK_TST_OTP] = { - .bankid = AB5500_BANK_VIT_IO_I2C_CLK_TST_OTP, - .nranges = 13, - .range = (struct ab5500_reg_range[]) { - { - .first = 0x01, - .last = 0x01, - .perm = AB5500_PERM_RW, - }, - { - .first = 0x02, - .last = 0x02, - .perm = AB5500_PERM_RO, - }, - { - .first = 0x0D, - .last = 0x0F, - .perm = AB5500_PERM_RW, - }, - { - .first = 0x1C, - .last = 0x1C, - .perm = AB5500_PERM_RW, - }, - { - .first = 0x1E, - .last = 0x1E, - .perm = AB5500_PERM_RW, - }, - { - .first = 0x20, - .last = 0x21, - .perm = AB5500_PERM_RW, - }, - { - .first = 0x25, - .last = 0x25, - .perm = AB5500_PERM_RW, - }, - { - .first = 0x28, - .last = 0x2A, - .perm = AB5500_PERM_RW, - }, - { - .first = 0x30, - .last = 0x33, - .perm = AB5500_PERM_RW, - }, - { - .first = 0x40, - .last = 0x43, - .perm = AB5500_PERM_RW, - }, - { - .first = 0x50, - .last = 0x53, - .perm = AB5500_PERM_RW, - }, - { - .first = 0x60, - .last = 0x63, - .perm = AB5500_PERM_RW, - }, - { - .first = 0x70, - .last = 0x73, - .perm = AB5500_PERM_RW, - }, - }, - }, - [AB5500_BANK_VIBRA] = { - .bankid = AB5500_BANK_VIBRA, - .nranges = 2, - .range = (struct ab5500_reg_range[]) { - { - .first = 0x10, - .last = 0x13, - .perm = AB5500_PERM_RW, - }, - { - .first = 0xFE, - .last = 0xFE, - .perm = AB5500_PERM_RW, - }, - }, - }, - [AB5500_BANK_AUDIO_HEADSETUSB] = { - .bankid = AB5500_BANK_AUDIO_HEADSETUSB, - .nranges = 2, - .range = (struct ab5500_reg_range[]) { - { - .first = 0x00, - .last = 0x48, - .perm = AB5500_PERM_RW, - }, - { - .first = 0xEB, - .last = 0xFB, - .perm = AB5500_PERM_RW, - }, - }, - }, - [AB5500_BANK_SIM_USBSIM] = { - .bankid = AB5500_BANK_SIM_USBSIM, - .nranges = 1, - .range = (struct ab5500_reg_range[]) { - { - .first = 0x13, - .last = 0x19, - .perm = AB5500_PERM_RW, - }, - }, - }, - [AB5500_BANK_VDENC] = { - .bankid = AB5500_BANK_VDENC, - .nranges = 12, - .range = (struct ab5500_reg_range[]) { - { - .first = 0x00, - .last = 0x08, - .perm = AB5500_PERM_RW, - }, - { - .first = 0x09, - .last = 0x09, - .perm = AB5500_PERM_RO, - }, - { - .first = 0x0A, - .last = 0x12, - .perm = AB5500_PERM_RW, - }, - { - .first = 0x15, - .last = 0x19, - .perm = AB5500_PERM_RW, - }, - { - .first = 0x1B, - .last = 0x21, - .perm = AB5500_PERM_RW, - }, - { - .first = 0x27, - .last = 0x2C, - .perm = AB5500_PERM_RW, - }, - { - .first = 0x41, - .last = 0x41, - .perm = AB5500_PERM_RW, - }, - { - .first = 0x45, - .last = 0x5B, - .perm = AB5500_PERM_RW, - }, - { - .first = 0x5D, - .last = 0x5D, - .perm = AB5500_PERM_RW, - }, - { - .first = 0x69, - .last = 0x69, - .perm = AB5500_PERM_RW, - }, - { - .first = 0x6C, - .last = 0x6D, - .perm = AB5500_PERM_RW, - }, - { - .first = 0x80, - .last = 0x81, - .perm = AB5500_PERM_RW, - }, - }, - }, -}; - -static int ab5500_registers_print(struct seq_file *s, void *p) -{ - struct ab5500 *ab = s->private; - unsigned int i; - u8 bank = (u8)ab->debug_bank; - - seq_printf(s, "ab5500 register values:\n"); - for (bank = 0; bank < AB5500_NUM_BANKS; bank++) { - seq_printf(s, " bank %u, %s (0x%x):\n", bank, - bankinfo[bank].name, - bankinfo[bank].slave_addr); - for (i = 0; i < ab5500_reg_ranges[bank].nranges; i++) { - u8 reg; - int err; - - for (reg = ab5500_reg_ranges[bank].range[i].first; - reg <= ab5500_reg_ranges[bank].range[i].last; - reg++) { - u8 value; - - err = ab5500_get_register_interruptible_raw(ab, - bank, reg, - &value); - if (err < 0) { - dev_err(ab->dev, "get_reg failed %d" - "bank 0x%x reg 0x%x\n", - err, bank, reg); - return err; - } - - err = seq_printf(s, "[%d/0x%02X]: 0x%02X\n", - bank, reg, value); - if (err < 0) { - dev_err(ab->dev, - "seq_printf overflow\n"); - /* - * Error is not returned here since - * the output is wanted in any case - */ - return 0; - } - } - } - } - return 0; -} - -static int ab5500_registers_open(struct inode *inode, struct file *file) -{ - return single_open(file, ab5500_registers_print, inode->i_private); -} - -static const struct file_operations ab5500_registers_fops = { - .open = ab5500_registers_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, - .owner = THIS_MODULE, -}; - -static int ab5500_bank_print(struct seq_file *s, void *p) -{ - struct ab5500 *ab = s->private; - - seq_printf(s, "%d\n", ab->debug_bank); - return 0; -} - -static int ab5500_bank_open(struct inode *inode, struct file *file) -{ - return single_open(file, ab5500_bank_print, inode->i_private); -} - -static ssize_t ab5500_bank_write(struct file *file, - const char __user *user_buf, - size_t count, loff_t *ppos) -{ - struct ab5500 *ab = ((struct seq_file *)(file->private_data))->private; - char buf[32]; - int buf_size; - unsigned long user_bank; - int err; - - /* Get userspace string and assure termination */ - buf_size = min(count, (sizeof(buf) - 1)); - if (copy_from_user(buf, user_buf, buf_size)) - return -EFAULT; - buf[buf_size] = 0; - - err = strict_strtoul(buf, 0, &user_bank); - if (err) - return -EINVAL; - - if (user_bank >= AB5500_NUM_BANKS) { - dev_err(ab->dev, - "debugfs error input > number of banks\n"); - return -EINVAL; - } - - ab->debug_bank = user_bank; - - return buf_size; -} - -static int ab5500_address_print(struct seq_file *s, void *p) -{ - struct ab5500 *ab = s->private; - - seq_printf(s, "0x%02X\n", ab->debug_address); - return 0; -} - -static int ab5500_address_open(struct inode *inode, struct file *file) -{ - return single_open(file, ab5500_address_print, inode->i_private); -} - -static ssize_t ab5500_address_write(struct file *file, - const char __user *user_buf, - size_t count, loff_t *ppos) -{ - struct ab5500 *ab = ((struct seq_file *)(file->private_data))->private; - char buf[32]; - int buf_size; - unsigned long user_address; - int err; - - /* Get userspace string and assure termination */ - buf_size = min(count, (sizeof(buf) - 1)); - if (copy_from_user(buf, user_buf, buf_size)) - return -EFAULT; - buf[buf_size] = 0; - - err = strict_strtoul(buf, 0, &user_address); - if (err) - return -EINVAL; - if (user_address > 0xff) { - dev_err(ab->dev, - "debugfs error input > 0xff\n"); - return -EINVAL; - } - ab->debug_address = user_address; - return buf_size; -} - -static int ab5500_val_print(struct seq_file *s, void *p) -{ - struct ab5500 *ab = s->private; - int err; - u8 regvalue; - - err = ab5500_get_register_interruptible_raw(ab, (u8)ab->debug_bank, - (u8)ab->debug_address, ®value); - if (err) { - dev_err(ab->dev, "get_reg failed %d, bank 0x%x" - ", reg 0x%x\n", err, ab->debug_bank, - ab->debug_address); - return -EINVAL; - } - seq_printf(s, "0x%02X\n", regvalue); - - return 0; -} - -static int ab5500_val_open(struct inode *inode, struct file *file) -{ - return single_open(file, ab5500_val_print, inode->i_private); -} - -static ssize_t ab5500_val_write(struct file *file, - const char __user *user_buf, - size_t count, loff_t *ppos) -{ - struct ab5500 *ab = ((struct seq_file *)(file->private_data))->private; - char buf[32]; - int buf_size; - unsigned long user_val; - int err; - u8 regvalue; - - /* Get userspace string and assure termination */ - buf_size = min(count, (sizeof(buf)-1)); - if (copy_from_user(buf, user_buf, buf_size)) - return -EFAULT; - buf[buf_size] = 0; - - err = strict_strtoul(buf, 0, &user_val); - if (err) - return -EINVAL; - if (user_val > 0xff) { - dev_err(ab->dev, - "debugfs error input > 0xff\n"); - return -EINVAL; - } - err = ab5500_mask_and_set_register_interruptible_raw( - ab, (u8)ab->debug_bank, - (u8)ab->debug_address, 0xFF, (u8)user_val); - if (err) - return -EINVAL; - - ab5500_get_register_interruptible_raw(ab, (u8)ab->debug_bank, - (u8)ab->debug_address, ®value); - if (err) - return -EINVAL; - - return buf_size; -} - -static const struct file_operations ab5500_bank_fops = { - .open = ab5500_bank_open, - .write = ab5500_bank_write, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, - .owner = THIS_MODULE, -}; - -static const struct file_operations ab5500_address_fops = { - .open = ab5500_address_open, - .write = ab5500_address_write, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, - .owner = THIS_MODULE, -}; - -static const struct file_operations ab5500_val_fops = { - .open = ab5500_val_open, - .write = ab5500_val_write, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, - .owner = THIS_MODULE, -}; - -static struct dentry *ab5500_dir; -static struct dentry *ab5500_reg_file; -static struct dentry *ab5500_bank_file; -static struct dentry *ab5500_address_file; -static struct dentry *ab5500_val_file; - -void __init ab5500_setup_debugfs(struct ab5500 *ab) -{ - ab->debug_bank = AB5500_BANK_VIT_IO_I2C_CLK_TST_OTP; - ab->debug_address = AB5500_CHIP_ID; - - ab5500_dir = debugfs_create_dir("ab5500", NULL); - if (!ab5500_dir) - goto exit_no_debugfs; - - ab5500_reg_file = debugfs_create_file("all-bank-registers", - S_IRUGO, ab5500_dir, ab, &ab5500_registers_fops); - if (!ab5500_reg_file) - goto exit_destroy_dir; - - ab5500_bank_file = debugfs_create_file("register-bank", - (S_IRUGO | S_IWUGO), ab5500_dir, ab, &ab5500_bank_fops); - if (!ab5500_bank_file) - goto exit_destroy_reg; - - ab5500_address_file = debugfs_create_file("register-address", - (S_IRUGO | S_IWUGO), ab5500_dir, ab, &ab5500_address_fops); - if (!ab5500_address_file) - goto exit_destroy_bank; - - ab5500_val_file = debugfs_create_file("register-value", - (S_IRUGO | S_IWUGO), ab5500_dir, ab, &ab5500_val_fops); - if (!ab5500_val_file) - goto exit_destroy_address; - - return; - -exit_destroy_address: - debugfs_remove(ab5500_address_file); -exit_destroy_bank: - debugfs_remove(ab5500_bank_file); -exit_destroy_reg: - debugfs_remove(ab5500_reg_file); -exit_destroy_dir: - debugfs_remove(ab5500_dir); -exit_no_debugfs: - dev_err(ab->dev, "failed to create debugfs entries.\n"); - return; -} - -void __exit ab5500_remove_debugfs(void) -{ - debugfs_remove(ab5500_val_file); - debugfs_remove(ab5500_address_file); - debugfs_remove(ab5500_bank_file); - debugfs_remove(ab5500_reg_file); - debugfs_remove(ab5500_dir); -} |